@ARTICLE{Antas_Stanisław_An,
 author={Antas, Stanisław},
 volume={vol. 48},
 number={No 4},
 journal={Archive of Mechanical Engineering},
 pages={373-397},
 howpublished={online},
 publisher={Polish Academy of Sciences, Committee on Machine Building},
 type={Article},
 title={An analytical and numerical method of calculating the surge margin of compressor of turboshaft engine with free power turbine},
 URL={http://www.journals.pan.pl/Content/125346/PDF-MASTER/7_MECHANICAL_48_2001_4_Antas_An_analytical.pdf},
 keywords={turboshaft engine, compressor, surge margin},
}